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The solar system is a group of objects that interact with one another,
the fundamental interaction for each object being the one it has with
the Sun.

There are many different types of objects found in the solar system: a
star, planets, moons, dwarf planets, comets, asteroids, gas, and dust.
In terms of the numbers of each of these objects, our current knowledge
is as follows:1 star (The Sun)
.8 planets (Mercury, Venus, Earth, Mars,Jupiter, Saturn, Uranus, and Neptune) .5 dwarf planets (Pluto, Ceres, Haumea, Makemake, and Eris)
.169 moons
. 566,000 asteroids
. 3,100 comets .

Mercury has a tenuous atmosphere, so, despite being the planet closest to the Sun, it is unable to retain the heat it is exposed to. The...

What Is The Solar System?

Our solar neighborhood is an exciting place. The Solar System is full of planets, moons, asteroids, comets, minor planets, and many other exciting objects. Learn about It.

The Solar System is made up of all the planets that orbit our Sun. In addition to planets, the Solar System also consists of moons, comets, asteroids, minor planets, and dust and gas.

Everything in the Solar System orbits or revolves around the Sun. The Sun contains around 98% of all the material in the Solar System. The larger an object is, the more gravity it has. Because the Sun is so large, its powerful gravity attracts all the other objects in the Solar System towards it. At the same time, these objects, which are moving very rapidly, try to fly away from the Sun, outward into the emptiness of outer space. The result of the planets trying to fly away, at the same time that the Sun is trying to pull them inward is that they become trapped half-way in between. Balanced between flying towards the Sun, and escaping into space, they spend eternity orbiting around their parent star.